NDS3542A series products are DEXIN’s new breakthrough all-in-one devices which integrate encoding (MPEG-2 HD/SD, MPEG-4/AVC H.264 HD/SD) and modulating to convert V/A signals into Digital RF output. It is equipped with 4 HDMI (4 SDI optional) channels input and 1 ASI input(optional) and output via 2 ASI ports(optional) and 1 DATA (4*SPTS or 2 or 4 MPTS--as per carrier numbers) output over UDP, RTP/RTSP. The latency has been greatly reduced to achieve an extremely low value from the encoding progress to the decoding terminals.It adopts an inner drawer-type structural design which greatly facilitates the change of encoding modules (HDMI/SDI ) as needed. The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc.
NDS3542A series products are DEXIN’s new breakthrough all-in-one devices which integrate encoding (MPEG-2 HD/SD, MPEG-4/AVC H.264 HD/SD) and modulating to convert V/A signals into Digital RF output. It is equipped with 4 HDMI (4 SDI optional) channels input and 1 ASI input(optional) and output via 2 ASI ports(optional) and 1 DATA (4*SPTS or 2 or 4 MPTS--as per carrier numbers) output over UDP, RTP/RTSP. The latency has been greatly reduced to achieve an extremely low value from the encoding progress to the decoding terminals.
It adopts an inner drawer-type structural design which greatly facilitates the change of encoding modules (HDMI/SDI ) as needed. The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc.
Key Features
4* HDMI/SDI inputs
MPEG2 & MPEG4 AVC/H.264 HD/SD video encoding
Up to 1920*1080@50P/60P (MPEG4 AVC/H.264), Up to 1920*1080@50I/60I (MPEG2 HD)
Huge video buffer (for SDI interface)
MPEG1 Layer II, MPEG2-AAC, MPEG4-AAC, AC3 2.0 (Optional) audio encoding
1*ASI input for re-mux and ASI out—(Optional);
1*RF input for mix—(Optional)
Support CC (closed caption ) for SDI interface
DVB-C/DVB-T/ATSC/ISDB-T RF out for option
Support IP (4*SPTS or 4*MPTS) output over UDP, RTP/RTSP protocol---DVB-C/DVB-T/ATSC
Support IP (4*SPTS or 2*MPTS) output over UDP, RTP/RTSP protocol---ISDB-T
Extremely low latency
LCN support (Logical Channel Number)
Excellent modulation quality MER≥40dB
RF Frequency range 50Mhz~960Mhz
LCD display, Remote control and firmware
Web NMS management; Updates via web
Principle Chart
Specifications
Major Technical Comparison
| The Former Version | The Current Version(V2) |
Bit rate Mode | CBR/VBR option | CBR |
Audio Group/Pair option-SDI | No | Yes |
Low Delay | Normal/Mode 1/Mode 2 | Normal/Mode 1/Mode 2/Manual |
Character Encoding option | No | Yes |
DATA Port | 100M port | 1000M port |
Frequency Range | 30-960MHz | 50-960MHz |
Symbol Rate--DVB-C | 5-9Msps | 3-9Msps |
ISDB-T carriers | 1 or 2 carriers for order option | 2 carriers |
IP out--DVB-C | 1 MPTS and 4 SPTS | 4 MPTS and 4 SPTS |
IP out--DVB-T | 4 SPTS | 4 MPTS and 4 SPTS |
DVB-T carriers | 2 carriers | 4 carriers |
The other differences are existing Web GUI design and chassis design etc(NMS/DATA port position), no further description here.
Internal Test Report of Latency
The values cover the progress from Encoding → Decoding
Decoding Terminal | Encoding Details | Average Latency (ms) | ||||
Resolution | Encoding Bit Rate | Low Latency Mode | Signal Source | Encoding Type | ||
DVB-C HD STB | 1080i@50 | 14M | MODE 1 | HDMI | mpeg2 | 170 |
H.264 | 347.5 | |||||
SDI | mpeg2 | 227.5 | ||||
H.264 | 367.5 | |||||
MODE 2 | HDMI | mpeg2 | 222.5 | |||
H.264 | 395 | |||||
SDI | mpeg2 | 240 | ||||
H.264 | 397.5 | |||||
DVB-C HD STB | 720p@50 | 14M | MODE 1 | HDMI | mpeg2 | 85.75 |
H.264 | 237.5 | |||||
SDI | mpeg2 | 127.5 | ||||
H.264 | 295 | |||||
MODE 2 | HDMI | mpeg2 | 182.5 | |||
H.264 | 277.5 | |||||
SDI | mpeg2 | 167.5 | ||||
H.264 | 325 | |||||
DVB-C HD STB | 576i@50 | 14M | MODE 1 | HDMI | mpeg2 | 310 |
H.264 | 600 | |||||
SDI | mpeg2 | 330 | ||||
H.264 | 620 | |||||
MODE 2 | HDMI | mpeg2 | 270 | |||
H.264 | 610 | |||||
SDI | mpeg2 | 280 | ||||
H.264 | 620 |